Göran Wahnström
Professor vid
Kondenserad materie- och materialteori
Visar 84 publikationer
2020
A computational study of the temperature dependence of interface and surface energies in WC–Co cemented carbides
Martin Gren, Erik Fransson, Göran Wahnström
International Journal of Refractory Metals and Hard Materials. Vol. 87
Artikel i vetenskaplig tidskrift
2019
Local structure and vibrational dynamics in indium-doped barium zirconate
Laura Mazzei, Adrien Perrichon, Alessandro Mancini et al
Journal of Materials Chemistry A. Vol. 7 (13), p. 7360-7372
Artikel i vetenskaplig tidskrift
2019
Band: Vs. polaron: Vibrational motion and chemical expansion of hydride ions as signatures for the electronic character in oxyhydride barium titanate
Erik Jedvik Granhed, Anders Lindman, Carin Eklöf-Österberg et al
Journal of Materials Chemistry A. Vol. 7 (27), p. 16211-16221
Artikel i vetenskaplig tidskrift
2019
Wetting of surfaces and grain boundaries in cemented carbides and the effect from local chemistry
Martin Gren, Göran Wahnström
Materialia. Vol. 8
Artikel i vetenskaplig tidskrift
2019
CCBuilder: a software that produces synthetic microstructures of WC-Co cemented carbides
Sven A.E. Johansson, Mikael Öhman, Magnus Ekh et al
International Journal of Refractory Metals and Hard Materials. Vol. 78, p. 210-218
Artikel i vetenskaplig tidskrift
2019
Finite element simulations of thermal residual stresses in realistic 3D WC-Co microstructures
Mikael Öhman, Magnus Ekh, Fredrik Larsson et al
International Journal of Refractory Metals and Hard Materials. Vol. 85
Artikel i vetenskaplig tidskrift
2019
Very-small angle neutron scattering study on grain coarsening inhibition by V-doping of WC-Co composites
Ahmet Bahadir Yildiz, Jonathan Weidow, V. Ryukhtin et al
Scripta Materialia. Vol. 173, p. 106-109
Artikel i vetenskaplig tidskrift
2018
High resolution STEM investigation of interface layers in cemented carbides
Arno Meingast, E. Coronel, A. Blomqvist et al
International Journal of Refractory Metals and Hard Materials. Vol. 72, p. 135-140
Artikel i vetenskaplig tidskrift
2017
Defect segregation to grain boundaries in BaZrO3 from first-principles free energy calculations
Anders Lindman, T. S. Bjorheim, Göran Wahnström
Journal of Materials Chemistry A. Vol. 5 (26), p. 13421-13429
Artikel i vetenskaplig tidskrift
2017
Comparison of Space-Charge Formation at Grain Boundaries in Proton-Conducting BaZrO3 and BaCeO3
Anders Lindman, Edit Ahlberg Helgee, Göran Wahnström
Chemistry of Materials. Vol. 29 (18), p. 7931-7941
Artikel i vetenskaplig tidskrift
2016
Polaronic contributions to oxidation and hole conductivity in acceptor-doped BaZrO3
Anders Lindman, Paul Erhart, Göran Wahnström
Physical Review B: covering condensed matter and materials physics. Vol. 94 (7)
Artikel i vetenskaplig tidskrift
2016
First-principles derived complexion diagrams for phase boundaries in doped cemented carbides
Sven Johansson, Göran Wahnström
Current Opinion in Solid State and Materials Science. Vol. 20 (5), p. 299-307
Artikel i vetenskaplig tidskrift
2015
Size and shape of oxygen vacancies and protons in acceptor-doped barium zirconate
Erik Jedvik Granhed, Anders Lindman, Magnús Benediktsson et al
Solid State Ionics. Vol. 275, p. 2-8
Artikel i vetenskaplig tidskrift
2015
A computational study of special grain boundaries in WC–Co cemented carbides
Sven Johansson, Martin Petisme, Göran Wahnström
Computational Materials Science. Vol. 98, p. 345-353
Artikel i vetenskaplig tidskrift
2015
Implications of the band gap problem on oxidation and hydration in acceptor-doped barium zirconate
Anders Lindman, Paul Erhart, Göran Wahnström
Physical Review B - Condensed Matter and Materials Physics. Vol. 91 (24), p. Art. no. 245114-
Artikel i vetenskaplig tidskrift
2015
Molecular dynamics simulation of WC/WC grain boundary sliding resistance in WC–Co cemented carbides at high temperature
Martin Petisme, Martin Gren, Göran Wahnström
International Journal of Refractory Metals and Hard Materials. Vol. 49 (1), p. 75-80
Artikel i vetenskaplig tidskrift
2015
A computational study of interfaces in WC-Co cemented carbides
Martin Petisme, Sven Johansson, Göran Wahnström
Modelling and Simulation in Materials Science and Engineering. Vol. 23 (4), p. 045001-
Artikel i vetenskaplig tidskrift
2013
Molecular dynamics simulation of WC/WC grain boundary sliding: the effect of thin cobalt films on sliding resistance
Martin Petisme, Sven Johansson, Göran Wahnström
Proceedings of the 18th Plansee Seminar
Paper i proceeding
2013
Theoretical modeling of defect segregation and space-charge formation in the BaZrO3 (210) 001 tilt grain boundary
Anders Lindman, Edit Ahlberg Helgee, Göran Wahnström
Solid State Ionics. Vol. 252, p. 121-125
Artikel i vetenskaplig tidskrift
2013
Oxygen vacancy segregation in grain boundaries of BaZrO3 using interatomic potentials
Anders Lindman, Edit Ahlberg Helgee, Joakim Nyman et al
Solid State Ionics. Vol. 230 (C), p. 27-31
Artikel i vetenskaplig tidskrift
2013
Origin of Space Charge in Grain Boundaries of Proton-Conducting BaZrO3
Edit Ahlberg Helgee, Anders Lindman, Göran Wahnström
Fuel Cells. Vol. 13 (1), p. 19-28
Artikel i vetenskaplig tidskrift
2012
Effect of Boron on Carbide Coarsening at 873 K (600°C) in 9 to 12 pct Chromium Steels
Fang Liu, Dan Fors, Ardeshir Golpayegani et al
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. Vol. 43 (11), p. 4053-4062
Artikel i vetenskaplig tidskrift
2012
Interface structure in a WC-Co alloy co-doped with VC and Cr3C2
S. Lay, M. Loubradou, Sven Johansson et al
Journal of Materials Science. Vol. 47 (3), p. 1588-1593
Artikel i vetenskaplig tidskrift
2012
Oxygen vacancy segregation and space-charge effects in grain boundaries of dry and hydrated BaZrO3
Joakim Nyman, Edit Ahlberg Helgee, Göran Wahnström
Applied Physics Letters. Vol. 100 (6), p. 061903-
Artikel i vetenskaplig tidskrift
2012
First-principles study of an interfacial phase diagram in the V-doped WC-Co system
Sven Johansson, Göran Wahnström
Physical Review B - Condensed Matter and Materials Physics. Vol. 86 (3), p. 035403-
Artikel i vetenskaplig tidskrift
2011
First-principles investigation of the stability of MN and CrMN precipitates under coherency strains in alpha-Fe (M = V, Nb, Ta)
Dan Fors, Göran Wahnström
Journal of Applied Physics. Vol. 109 (11)
Artikel i vetenskaplig tidskrift
2011
Transition Metal Solubilities in WC in Cemented Carbide Materials
Jonathan Weidow, Sven Johansson, Hans-Olof Andrén et al
Journal of the American Ceramic Society. Vol. 94 (2), p. 605-610
Artikel i vetenskaplig tidskrift
2011
A computational study of thin cubic carbide films in WC/Co interfaces
Sven Johansson, Göran Wahnström
Acta Materialia. Vol. 59 (1), p. 171-181
Artikel i vetenskaplig tidskrift
2011
Substitutional doping and oxygen vacancies in La2Zr2O7 pyrochlore oxide
Joakim Nyman, Mårten Björketun, Göran Wahnström
Solid State Ionics. Vol. 189 (1), p. 19-28
Artikel i vetenskaplig tidskrift
2010
Theoretical study of interface structure and energetics in semicoherent Fe(001)/MX(001) systems (M=Sc, Ti, V, Cr, Zr, Nb, Hf, Ta; X=C or N)
Dan Fors, Göran Wahnström
Physical Review B - Condensed Matter and Materials Physics. Vol. 82 (19), p. 195410-
Artikel i vetenskaplig tidskrift
2010
Theoretical investigation of moderate misfit and interface energetics in the Fe/VN system
Dan Fors, Sven Johansson, Martin Petisme et al
Computational Materials Science. Vol. 50 (2), p. 550-
Artikel i vetenskaplig tidskrift
2010
Using Neutron Spin-Echo To Investigate Proton Dynamics in Proton-Conducting Perovskites
Maths Karlsson, Dennis Engberg, Mårten Björketun et al
Chemistry of Materials. Vol. 22 (3), p. 740-742
Artikel i vetenskaplig tidskrift
2010
Determination of nanocrystal size distribution in magnetic multicore particles including dipole-dipole interactions and magnetic anisotropy: A Monte Carlo study
Vincent Schaller, Göran Wahnström, Anke Sanz-Velasco et al
AIP Conference Proceedings. Vol. 1311, p. 42-50
Paper i proceeding
2010
Theory of ultrathin films at metal-ceramic interfaces
Sven Johansson, Göran Wahnström
Philosophical Magazine Letters. Vol. 90 (8), p. 599-609
Artikel i vetenskaplig tidskrift
2010
The effect of dipolar interactions in clusters of magnetic nanocrystals
Vincent Schaller, Göran Wahnström, Anke Sanz-Velasco et al
Journal of Physics: Conference Series. Vol. 200 (SECTION 7)
Paper i proceeding
2009
Effective magnetic moment of magnetic multicore nanoparticles
Vincent Schaller, Göran Wahnström, Anke Sanz-Velasco et al
Physical Review B - Condensed Matter and Materials Physics. Vol. 80 (9), p. 092406-
Artikel i vetenskaplig tidskrift
2009
Quasielastic neutron scattering of hydrated BaZr0.90A0.10O2.95 (A = Y and Sc)
Maths Karlsson, Aleksandar Matic, Dennis Engberg et al
Solid State Ionics. Vol. 180 (1), p. 22-28
Artikel i vetenskaplig tidskrift
2009
Protonic defects in pure and doped La2Zr2O7 pyrochlore oxide
Mårten Björketun, Christopher Knee, Joakim Nyman et al
Solid State Ionics. Vol. 178 (31-32), p. 1642-
Artikel i vetenskaplig tidskrift
2009
Atomic Scale Materials Theory Meets Industry
Göran Wahnström
National Supercomputer Centre at LiU News (4)
Artikel i övriga tidskrifter
2009
Monte Carlo simulation of magnetic multi-core nanoparticles
Vincent Schaller, Göran Wahnström, Anke Sanz-Velasco et al
Journal of Magnetism and Magnetic Materials. Vol. 321 (10), p. 1400-1403
Artikel i vetenskaplig tidskrift
2009
Influence of Pt on the metal-oxide interface during high temperature oxidation of NiAl bulk materials
Henrik Svensson, Mikael Christensen, Pavleta Knutsson et al
Corrosion Science. Vol. 51 (3), p. 539-
Artikel i vetenskaplig tidskrift
2009
Energetics and structure of interfaces in WC-Co alloys from first-principles calculations
Mattias Slabanja, Sven Johansson, Göran Wahnström
17th Plansee Seminar 2009, Proceedings
Paper i proceeding
2008
Nature of boron solution and diffusion in alpha-iron
Dan Fors, Göran Wahnström
Physical Review B - Condensed Matter and Materials Physics. Vol. 77 (13), p. 132102-
Artikel i vetenskaplig tidskrift
2008
Path integral treatment of proton transport processes in BaZrO3.
Qianfan Zhang, Göran Wahnström, Mårten E Björketun et al
Physical Review Letters. Vol. 101 (21), p. 215902-
Artikel i vetenskaplig tidskrift
2008
Motion of nanometer sized magnetic particles in a magnetic field gradient
Vincent Schaller, Ulli Kräling, Cristina Rusu et al
Virtual Journal of Nanoscale Science & Technology. Vol. 18 (22)
Artikel i vetenskaplig tidskrift
2008
Monte Carlo Simulation of Multi-Core Magnetic Nanoparticles
Vincent Schaller, Göran Wahnström, Anke Sanz-Velasco et al
7th International Conference on the Scientific and Clinical Applications of Magnetic Carriers, Vancouver, Canada, May 20-24, 2008, p. 27-
Paper i proceeding
2008
Motion of nanometer sized magnetic particles in a magnetic field gradient
Vincent Schaller, Ulli Kraeling, Cristina Rusu et al
Journal of Applied Physics. Vol. 104 (9), p. no:093918-
Artikel i vetenskaplig tidskrift
2008
Morphology of WC grains in WC-Co alloys
S Lay, C.H. Allibert, Mikael Christensen et al
Materials Science and Engineering A. Vol. 486, p. 253-
Artikel i vetenskaplig tidskrift
2007
Effect of acceptor dopants on the proton mobility in BaZrO3: A density functional investigation
Mårten Björketun, Per G. Sundell, Göran Wahnström
Phys. Rev. B. Vol. 76, p. 054307-
Artikel i vetenskaplig tidskrift
2007
Structure and thermodynamic stability of hydrogen interstitials in BaZrO3 perovskite oxide from density functional calculations
Mårten Björketun, Per G. Sundell, Göran Wahnström
Faraday Discuss.. Vol. 134, p. 247-265
Artikel i vetenskaplig tidskrift
2007
Theoretical investigation of the motion of magnetic nanoparticles in a magnetic field gradient
Vincent Schaller, Cristina Rusu, Peter Enoksson et al
Nanotech Northern Europe 2007 (NTNE2007), Helsinki, Finland, 27-28 March, 2007
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2007
Early stages of phase separation using three-dimensional atom probe and atomistic modelling
Mattias Slabanja, Johan Angenete, Krystyna Marta Stiller et al
Surface and Interface Analysis. Vol. 39, p. 178-
Artikel i vetenskaplig tidskrift
2007
Density-functional calculations of prefactors and activation energies for H diffusion in BaZrO3
Per G. Sundell, Mårten Björketun, Göran Wahnström
Phys. Rev. B. Vol. 76, p. 094301-
Artikel i vetenskaplig tidskrift
2007
Morphology of WC grains in WC-Co alloys: Theoretical determination of grain shape
Mikael Christensen, Göran Wahnström, S. Lay et al
Acta Mater.. Vol. 55, p. 1515-
Artikel i vetenskaplig tidskrift
2006
Thermodynamics of doping and vacancy formation in BaZrO3 perovskite oxide from density functional calculations
Per G. Sundell, Mårten Björketun, Göran Wahnström
Phys. Rev. B. Vol. 73, p. 104112-
Artikel i vetenskaplig tidskrift
2006
Mechanisms of plastic deformation of WC-Co and Ti(C,N)-WC-Co
Gustaf Östberg, Katharina Buss, Mikael Christensen et al
Int. J. Refract. Hard Mater.. Vol. 24 (1-2), p. 135-144
Artikel i vetenskaplig tidskrift
2006
Effect of Sigma2 grain boundaries on plastic deformation of WC-Co cemented carbides
Gustaf Östberg, Muhammad Umar Farooq, Mikael Christensen et al
Mat. Sci. and Eng. A.. Vol. 416, p. 119-
Artikel i vetenskaplig tidskrift
2006
Strength and reinforcement of interfaces in cemented carbides
Mikael Christensen, Göran Wahnström
Int. J. Refract. Hard Mater.. Vol. 24, p. 80-
Artikel i vetenskaplig tidskrift
2006
Effect of sigma-2 grain boundaries on plastic deformation of WC-Co cemented carbides
Gustaf Östberg, Muhammad Umar Farooq, Mikael Christensen et al
Materials Science and Engineering. Vol. 416, p. 119-125
Artikel i vetenskaplig tidskrift
2006
Effect of TaC on plastic deformation of WC-Co and Ti(C,N)-WC-Co
Gustaf Östberg, Katharina Buss, Mikael Christensen et al
International Journal of Refractory Metals and Hard Materials. Vol. 24 (1-2), p. 145-154
Artikel i vetenskaplig tidskrift
2006
Water desorption from an oxygen covered Pt(111) surface: multi-channel desorption
Gustav Karlberg, Göran Wahnström, Andrew Hodgson et al
Journal of Chemical Physics. Vol. 124 (20), p. 204712-
Artikel i vetenskaplig tidskrift
2005
Vibrational Properties of Protons in Hydrated BaInxZr1-xO3-x/2
Maths Karlsson, Mårten Björketun, Per G. Sundell et al
Physical Review B - Condensed Matter and Materials Physics. Vol. 72, p. 1-7
Artikel i vetenskaplig tidskrift
2005
WC grain shape as a function of the carbon potential in WC-Co alloys
S. Lay, C..H. Allibert, Mikael Christensen et al
The 16th Plansee Seminar; Reutte, Tyrol, Austria; May 5 - June 3, 2005
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2005
An interaction model for OH + H2O-mixed and pure H2O overlayers
Gustav Karlberg, Göran Wahnström
Journal of Chemical Physics. Vol. 122, p. 194705-
Artikel i vetenskaplig tidskrift
2005
A kinetic Monte Carlo study of proton diffusion in disordered perovskite structured lattices based on first-principles calculations
Mårten Björketun, Per G. Sundell, Göran Wahnström et al
Solid State Ionics. Vol. 176, p. 3035-
Artikel i vetenskaplig tidskrift
2005
Quantitative analysis of WC grain shape in sintered WC-Co cemented carbides
Mikael Christensen, Göran Wahnström, C Allibert et al
Physics Review Letters. Vol. 94, p. 066105-
Artikel i vetenskaplig tidskrift
2005
Kinetic Monte Carlo Study of Al-Mg Precipitation
Mattias Slabanja, Göran Wahnström
Acta Materialia. Vol. 53, p. 3721-
Artikel i vetenskaplig tidskrift
2005
An interaction model for OH+H2O -mixed and pure H2O overlayers adsorbed on Pt(111)
Gustav S. Karlberg, Göran Wahnström
Journal of Chemical Physics. Vol. 122 (19)
Artikel i vetenskaplig tidskrift
2005
The segmental and rotational dynamics of PPO investigated by neutron scattering and molecular dynamics simulations
C. Tengroth, Dennis Engberg, P. Carlsson et al
Soft Materials. Vol. 3, p. 1-20
Artikel i vetenskaplig tidskrift
2005
Diffusion in Solids
Göran Wahnström
Handbook of Materials Modeling, Fundamental Models and Methods (Springer)
Kapitel i bok
2005
Hydrogen tunneling on a metal surface: A density-functional study of H and D atoms on Cu(001)
Per G. Sundell, Göran Wahnström
Surface Science. Vol. 593, p. 102-
Artikel i vetenskaplig tidskrift
2005
Interface energy of semicoherent metal-ceramic interfaces
Sven Johansson, Mikael Christensen, Göran Wahnström
Physical Review Letters. Vol. 95, p. 226108-
Artikel i vetenskaplig tidskrift
2004
Activation energies for quantum diffusion of hydrogen in metals and on metal surfaces using delocalized nuclei within density-functional theory
Per G. Sundell, Göran Wahnström
Physical Review Letters. Vol. 92, p. 155901-
Artikel i vetenskaplig tidskrift
2004
Effects of cobalt intergranular segregation on interface energetics in WC-Co
Mikael Christensen, Göran Wahnström
Acta Materialia. Vol. 52, p. 2199-
Artikel i vetenskaplig tidskrift
2004
Self-trapping and diffusion of hydrogen in Nb and Ta from first principles
Per G. Sundell, Göran Wahnström
Physical Review B. Vol. 70 (224301)
Artikel i vetenskaplig tidskrift
2004
Density-Functional Based Modeling of the Intermediate in the Water Production Reaction on Pt(111)
Gustav Karlberg, Göran Wahnström
Physical Review Letters. Vol. 92, p. 136103-
Artikel i vetenskaplig tidskrift
2004
Quantum motion of hydrogen on Cu(001) using first-principles calculations
Per G. Sundell, Göran Wahnström
Physical Review B. Vol. 70, p. 081403-
Artikel i vetenskaplig tidskrift
2003
Energetics, vibrational spectrum, and scanning tunneling microscopy images for the intermediate in water production reaction on Pt(111) from density functional calculations
Gustav Karlberg, Göran Wahnström, Mats Persson et al
Journal of Chemical Physics. Vol. 119 (9), p. 4865-4872
Artikel i vetenskaplig tidskrift
2002
Bridging between micro- and macroscales of materials by mesoscopic models
Bengt Lundqvist, Alexander Bogicevic, Sergey V. Dudiy et al
Computational Materials Science. Vol. 24, p. 1-
Artikel i vetenskaplig tidskrift
2002
Effect of grain boundary geometry on plastic deformation in WC-Co
Gustaf Östberg, Hans-Olof Andrén, Mikael Christensen et al
Proceedings of the EuroPM2002 Hard Materials Conference, Lausanne, Switzerland, p. 85-90
Paper i proceeding
2001
Quantum treatment of H adsorbed on a P(111) surface
Gustav Karlberg, Göran Wahnström
Physical Review B - Condensed Matter and Materials Physics. Vol. 65 (3), p. 033406 -
Artikel i vetenskaplig tidskrift
2001
Density-functional bridge between surfaces and interfaces
Bengt Lundqvist, Alexander Bogicevic, Karin M. Carling et al
Surface Science. Vol. 493, p. 253-270
Artikel i vetenskaplig tidskrift
2001
Neglected adsorbate interactions behind diffusion prefactor anomalies on metals
Staffan Ovesson, Alexander Bogicevic, Göran Wahnström et al
PHYSICAL REVIEW B. Vol. 64, p. 125423-
Artikel i vetenskaplig tidskrift
Visar 4 forskningsprojekt
2018–2020
Modulated Composite Structures: A 3D Bulk Approach to Incoherent Hetero-Structure Interface Engineering in Oxides for Future Low Temperature Energy Applications (MODCOMS)
Göran Wahnström
Material- och ytteori
Samrand Shafeie
Material- och ytteori
Europeiska kommissionen (Horisont 2020)
2018–2021
Proton- och hydridjon-ledning i perovskiter
Göran Wahnström
Material- och ytteori
Erik Jedvik
Material- och ytteori
Anders Lindman
Material- och ytteori
Energimyndigheten
2017–2020
Flerskalsmodellering av plastisk deformation av hårdmetaller.
Göran Wahnström
Material- och ytteori
Martin Gren
Material- och ytteori
Erik Fransson
Material- och ytteori
Vetenskapsrådet (VR)
2013–2016
Protonledning och nanojonik
Göran Wahnström
Material- och ytteori
Erik Jedvik
Material- och ytteori
Anders Lindman
Material- och ytteori
Energimyndigheten
Det kan finnas fler projekt där Göran Wahnström medverkar, men du måste vara inloggad som anställd på Chalmers för att kunna se dem.